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Designed a microstrip antenna demonstrating 66.7% bandwidth for 5G, indicating its suitability for wireless applications.
A compact and wideband microstrip line‐fed rectangular patch antenna with truncated corner has been designed. The proposed antenna is printed on FR‐4 substrate of size 25.6 mm × 44.6 mm (0.3 × 0.53 at lower resonating frequency 3.57 GHz). The proposed antenna design has been loaded with rectangular shape slots and notches inside the radiator. Between resonating frequencies of 3 and 6 GHz, the antenna shows fractional bandwidth of 66.7% (3000 MHz). The return loss of single wideband antenna is obtained, −40.85 and −21.18 dB at two resonance peaks 3.57 and 5.1 GHz, respectively. To understand the effect of various parameters, parametric analysis has been also performed. The simulated gain of designed antenna has been observed, 2.75 and 4.49 dBi at frequencies 3.57 and 5.1 GHz, respectively. However, 82% to 92% efficiency is achieved in the entire resonating band. The fabricated antenna measurement results are in close agreement with the simulation result, which validates the features of the proposed antenna design. The wideband impedance bandwidth of antenna can be used for 5G (3.3–3.6 GHz), WiMAX (3.4–3.7 GHz), and WLAN (5.1–5.8 GHz). The design and analysis of the proposed antenna have been designed and simulated with IE3D simulation tool.
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Prasad et al. (2025) studied this question.
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